package com.boot;

import com.alibaba.cloud.nacos.NacosConfigManager;
import com.alibaba.nacos.api.config.ConfigService;
import com.alibaba.nacos.api.config.listener.Listener;
import org.springframework.boot.ApplicationArguments;
import org.springframework.boot.ApplicationRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.openfeign.EnableFeignClients;
import org.springframework.context.annotation.Bean;

import java.util.concurrent.Executor;
import java.util.concurrent.Executors;

@SpringBootApplication
@EnableFeignClients
public class OrderMain {
    public static void main(String[] args) {
        SpringApplication.run(OrderMain.class, args);
    }

    //项目启动监听配置文件辩护
    //变化后拿到的值
    //发送通知等操作
    //    @Bean
    ApplicationRunner applicationRunner(NacosConfigManager nacosConfigManager) {
        return args -> {
            System.out.println("========================");
            ConfigService configService = nacosConfigManager.getConfigService();
            configService.addListener("service-order.yaml", "DEFAULT-GROUP", new Listener() {
                @Override
                public Executor getExecutor() {
                    return Executors.newFixedThreadPool(4);
                }

                @Override
                public void receiveConfigInfo(String s) {
                    System.out.println("变化的配置信息：" + s);
                    System.out.println("模拟发送通知");
                }
            });

        };
    }
}